4440444040551 has 16 divisors (see below), whose sum is σ = 6133717906560. Its totient is φ = 2854032017760.

The previous prime is 4440444040531. The next prime is 4440444040559. The reversal of 4440444040551 is 1550404440444.

It is not a de Polignac number, because 4440444040551 - 2¹⁰ = 4440444039527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440444040559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37304845 + ... + 37423686.

It is an arithmetic number, because the mean of its divisors is an integer number (383357369160).

Almost surely, 2^{4440444040551} is an apocalyptic number.

4440444040551 is a deficient number, since it is larger than the sum of its proper divisors (1693273866009).

4440444040551 is a wasteful number, since it uses less digits than its factorization.

4440444040551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74729246.

The product of its (nonzero) digits is 409600, while the sum is 39.

Adding to 4440444040551 its reverse (1550404440444), we get a palindrome (5990848480995).

The spelling of 4440444040551 in words is "four trillion, four hundred forty billion, four hundred forty-four million, forty thousand, five hundred fifty-one".